B1640 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1640 – Mirror Passenger Left Circuit Open


B1640 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1640 Possible Causes


Faulty Mirror Passenger Motor,Mirror Passenger Motor harness is open or shorted,Mirror Passenger Motor circuit poor electrical connection,Faulty Body Control Module (BCM)


B1640 Description


The Body Control Module (BCM) monitors the Mirror Passenger Motor. The BCM sets the OBDII code when the Mirror Passenger Motor is not to factory specifications.